66-1
66
Selective QinQ Configuration
Wh n configuring selective QinQ, g
e
o to these sections for information you are interested in:
z
Selective QinQ Overview
Selective QinQ Configuration
z
Example
z
Selective QinQ Configuration
iew
Selec
N feature. With the selective QinQ feature,
users. In the public network, you can configure QoS policies
different packets, thus providing differentiated
services. See
Figure 66-1
Selective QinQ Overv
tive QinQ Overview
Selective QinQ is an enhanced application of the VLAN-VP
you can configure inner-to-outer VLAN tag mapping, according to which you can add different outer
VLAN tags to the packets with different inner VLAN tags.
The selective QinQ feature makes the service provider network structure more flexible. You can classify
the terminal users on the port connecting to the access layer device according to their VLAN tags, and
add different outer VLAN tags to these
based on outer VLAN tags to assign different priorities to
for details.
Figure 66-1
Diagram for a selective QinQ implementation
In this implementation, Switch A is an access device of the service provider. The users connecting to it
include common customers (in VLAN 8 to VLAN 100), VIPs (in VLAN 101 to VLAN 200), and IP
